republican presidential nominee mitt romney is spending this weekend preparing for the debate. you can watch that debate live on ktvu channel 2 wednesday night, beginning at 6:00. >>> there are more accusations of voter fraud in florida this morning. coming up at 9:15, we'll tell you why the state is suspicious about forms that have turned up in at least 10 counties. >>> today is a spare the air day. a warmup is in the forecast. there's concern that pollution could get to unhealthy levels. so people are being asked to avoid driving and maybe stay inside during the hottest parts of the day. well, thats bay point you're looking at this morning. you can see, things still burning off, a little hazy today. and that is what the concern is today. keep an eye out for that. if the weather warms up too much this weekend, some people do have problems, so they will open several cooling centers in the south bay. in morgan hill, centennial recreation center is scheduled to open for the public for relief from the heat. in san jose, nine cooling centers are scheduled to open. if you want a lis